19456618

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1061}}^1$

素因数の和:1289

約数の個数: 16

約数和(自身を含む): 29935656

約数和(自身を除く): 10479038

約数列:

[1, 2, 53, 106, 173, 346, 1061, 2122, 9169, 18338, 56233, 112466, 183553, 367106, 9728309, 19456618]

約数ペア:

[(1, 19456618), (2, 9728309), (53, 367106), (106, 183553), (173, 112466), (346, 56233), (1061, 18338), (2122, 9169)]